diff --git a/proto/authzed/api/v0/01_legacy_registration.go b/proto/authzed/api/v0/01_legacy_registration.go
new file mode 100644
index 0000000..c7c82ee
--- /dev/null
+++ b/proto/authzed/api/v0/01_legacy_registration.go
@@ -0,0 +1,75 @@
+package v0
+
+import "google.golang.org/grpc"
+
+// RegisterACLServiceServer registers an ACLService under its legacy
+// package-less descriptor.
+func RegisterLegacyACLServiceServer(s grpc.ServiceRegistrar, srv ACLServiceServer) {
+	s.RegisterService(&Legacy_ACLService_ServiceDesc, srv)
+}
+
+// Legacy_ACLService_ServiceDesc is an grpc.ServiceDesc for the original
+// ACLService service that had no Protobuf package.
+//
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Legacy_ACLService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "ACLService",
+	HandlerType: (*ACLServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Read",
+			Handler:    _ACLService_Read_Handler,
+		},
+		{
+			MethodName: "Write",
+			Handler:    _ACLService_Write_Handler,
+		},
+		{
+			MethodName: "Check",
+			Handler:    _ACLService_Check_Handler,
+		},
+		{
+			MethodName: "ContentChangeCheck",
+			Handler:    _ACLService_ContentChangeCheck_Handler,
+		},
+		{
+			MethodName: "Expand",
+			Handler:    _ACLService_Expand_Handler,
+		},
+		{
+			MethodName: "Lookup",
+			Handler:    _ACLService_Lookup_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "authzed/api/v0/acl_service.proto",
+}
+
+// RegisterLegacyNamespaceServiceServer registers a NamespaceService under
+// its legacy package-less descriptor.
+func RegisterLegacyNamespaceServiceServer(s grpc.ServiceRegistrar, srv NamespaceServiceServer) {
+	s.RegisterService(&Legacy_NamespaceService_ServiceDesc, srv)
+}
+
+// Legacy_NamespaceService_ServiceDesc is an grpc.ServiceDesc for the original
+// NamespaceService service that had no Protobuf package.
+//
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Legacy_NamespaceService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "NamespaceService",
+	HandlerType: (*NamespaceServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "ReadConfig",
+			Handler:    _NamespaceService_ReadConfig_Handler,
+		},
+		{
+			MethodName: "WriteConfig",
+			Handler:    _NamespaceService_WriteConfig_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "authzed/api/v0/namespace_service.proto",
+}